The Machine Key M8 x 7 x 21 Form B is an undersized carbon steel component designed for effective torque transmission in mechanical assemblies. Measuring M8 in width, 7 mm in height, and 21 mm in length, this key is ideal for use in various machinery applications. The carbon steel construction ensures strength and durability, while the undersized design allows for precise fitment in tight spaces. This machine key is essential for maintaining the alignment and function of gears, pulleys, and other rotating components, making it a critical part of any mechanical system.
